Efficacy of analysis techniques in assessing broken wave loading on a cylinder upon a shoal

Conference paper (2019)

Authors

Darshana T. Dassanayake Plymouth University
Alison Raby Plymouth University
A. Antonini Coastal Engineering - CEG
Research Group
Coastal Engineering (CEG) (TU Delft)
Copyright: © 2019 Darshana T. Dassanayake, Alison Raby, A. Antonini
DOI: https://doi.org/10.1115/OMAE2019-96262
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Published Date

2019

Language

English

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Faculty

Civil Engineering & Geosciences

Department

Hydraulic Engineering

Research Group

Coastal Engineering

Abstract

Estimation of impulsive wave loading on a cylinder upon a shoal, such as an offshore rock lighthouse constructed on a partially emerged offshore rock with a steep foreshore, poses a unique challenge to marine structural engineers. Large and small scale experimental investigations are the most feasible methods to study this phenomena. However, any experimental investigation with impulsive loading faces challenges in the data analysis, when it is necessary to separate the total impact forces from the force response time series, and to separate the impulsive and quasi-static force components of the total force measurements. This paper is an attempt to re-visit several data analysis techniques with a unique experimental data set to study the advantages and limitations of those techniques, and also to learn how different techniques can be combined into a data analysis methodology to harness maximum information.

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